%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/deepeq {
    2 dict begin
    /a exch def
    /b exch def
    a type b type eq {
        a type /dicttype eq {
            a length b length eq {
                <<
                    a {
                        pop
                        true
                    } forall
                    b {
                        pop
                        true
                    } forall
                >>
                true exch
                {
                    pop
                    dup a exch known {
                        dup b exch known {
                            dup a exch get exch b exch get deepeq not {
                                pop false
                            } if
                        } {
                            false
                        } ifelse
                    } {
                        false
                    } ifelse
                } forall
            } {
                false
            } ifelse
        } {
            a type dup /arraytype eq exch /stringtype eq or {
                a length b length eq {
                    true
                    0 1 a length 1 sub {
                        dup a exch get exch b exch get deepeq not {
                            pop false
                            exit
                        } if
                    } for
                } {
                    false
                } ifelse
            } {
                a b eq
            } ifelse
        } ifelse
    } {
        false
    } ifelse
    end
} bind def

/reverse {
    1 dict begin
    dup length /l exch def
    [ exch
      aload pop
      2 1 l {
          -1 roll
      } for
    ]
    end
} bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def


% end included library code

/u2a {
    dup 0 eq {
        pop
        [ 0 ]
    } {
        [ exch
            {
                dup 0 eq {
                    pop
                    exit
                } if
                dup 10 mod exch
                10 idiv
            } loop
        ]
        reverse
    } ifelse
} bind def

/a2u {
    0 exch
    {
        exch 10 mul add
    } forall
} bind def

/arrayformcompute {
    exch
    a2u
    add
    u2a
} bind def

(arrayformcompute) test.start
[1 2 3 4] 12 arrayformcompute [1 2 4 6] deepeq test
[2 7 4] 181 arrayformcompute [4 5 5] deepeq test
[9 9 9] 1 arrayformcompute [1 0 0 0] deepeq test
[1 0 0 0 0] 9999 arrayformcompute [1 9 9 9 9] deepeq test
[0] 1000 arrayformcompute [1 0 0 0] deepeq test
test.end